CN106949474B - Air distribution structure and burner - Google Patents
Air distribution structure and burner Download PDFInfo
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- CN106949474B CN106949474B CN201710153994.4A CN201710153994A CN106949474B CN 106949474 B CN106949474 B CN 106949474B CN 201710153994 A CN201710153994 A CN 201710153994A CN 106949474 B CN106949474 B CN 106949474B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D2900/00—Special features of, or arrangements for burners using fluid fuels or solid fuels suspended in a carrier gas
- F23D2900/14—Special features of gas burners
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Gas Burners (AREA)
Abstract
The present invention discloses air distribution structure and burner, and air distribution structure includes the first cavity, the second cavity.First cavity offers first chamber.The bottom surface of first cavity is arranged at intervals with the first gas-guide tube and the second gas-guide tube.First gas-guide tube is connected to first chamber.First gas-guide tube forms the first opening in the bottom surface of first chamber.Second gas-guide tube forms the second opening with the first open space in the bottom surface of first chamber.Second cavity is arranged in the first chamber.Second cavity offers second chamber.The bottom surface of second chamber offers the air inlet communicated with second chamber, air inlet and the second open communication.The bottom surface interval of second cavity is covered on the top of the first opening and is provided with the retaining wall for separating the first opening with the second opening.In above-mentioned air distribution structure, the first cavity can be supplied relatively evenly to each position of first chamber, guarantee that the first cavity is formed by even flame.Meanwhile retaining wall can make first chamber mutually be independent of each other with the gas supply of second chamber.
Description
Technical field
The present invention relates to kitchen tool field more particularly to a kind of air distribution structure and burners.
Background technique
In the burner of the relevant technologies, after the through enturi tube entrance air cavity of the mixed gas of combustion gas and air, by air cavity
On fire cover turn to and diffuse to entire air cavity, and the fire hole through fire cover sprays outward, and flame is formed after burning.But this
It is uneven to will cause the flame formed in air cavity all directions.
Summary of the invention
Embodiment of the present invention provides a kind of air distribution structure and burner.
The air distribution structure of embodiment of the present invention, is used for burner, and air distribution structure includes:
First cavity, first cavity offer first chamber, and the bottom surface of first cavity is arranged at intervals with first
Gas-guide tube and the second gas-guide tube, first gas-guide tube are connected to the first chamber, and first gas-guide tube is in first chamber
The bottom surface of room forms the first opening, and second gas-guide tube is formed and first open space in the bottom surface of the first chamber
Second opening；
The second cavity in the first chamber is set, and second cavity offers second chamber, second chamber
The bottom surface of room offers the air inlet communicated with the second chamber, the air inlet and second open communication；
The bottom surface interval of second cavity is covered on the top of first opening and is provided with and separates described first and open
The retaining wall of mouth and second opening.
In air distribution structure in embodiment of the present invention, by the gas of the first gas-guide tube outgoing by the bottom surface of the first cavity point
It is diffused up after being scattered to each position of first chamber.In this way, making the first cavity relatively evenly to each position of first chamber
Gas supply is set, guarantees that the first cavity is formed by even flame.Meanwhile retaining wall can make the gas supply of first chamber and second chamber mutual
It does not influence.
In some embodiments, opened up on the bottom surface of the first chamber it is fluted, the groove surround described second
Opening, the groove and the retaining wall are cooperatively connected to separate first opening and second opening.
In some embodiments, the hole wall of the air inlet includes guide face, is provided with shielding plate in the air inlet,
The shielding plate and guide face relative spacing setting are simultaneously collectively formed with the guide face for guiding described in gas entrance
The flow-guiding channel of second chamber.
In some embodiments, the guide face is arc-shaped, and the shielding plate includes top surface, bottom surface and joint face, institute
Stating top surface and the bottom surface is plane, and the joint face connects the top surface and the bottom surface, the joint face it is arc-shaped and with
The guide face forms the flow-guiding channel.
In some embodiments, the shielding plate includes the interconnecting piece connecting with the hole wall of the air inlet, the company
Multiple through-holes are offered in socket part, the through-hole is connected to the air inlet and the second chamber.
In some embodiments, second cavity includes fixed part, and the fixed part connects the shielding plate and institute
State the bottom surface of second chamber.
In some embodiments, it described first is open along first gas-guide tube to the direction of the first chamber in gradually
The shape of expansion, second opening is along second gas-guide tube to the direction of the first chamber in the shape of flaring.
In some embodiments, second cavity is removably mounted in the first chamber.
In some embodiments, the first chamber includes chamber wall, the outlet of the top of the chamber wall along gas
Direction is in the shape of flaring.
A kind of burner of embodiment of the present invention, including air distribution structure described in any embodiment as above.
In burner in embodiment of the present invention, dispersed by the gas of the first gas-guide tube outgoing by the bottom surface of the first cavity
It is diffused up after to each position of first chamber.In this way, making the first cavity relatively evenly to each position of first chamber
Gas supply guarantees that the first cavity is formed by even flame.Meanwhile retaining wall can make the gas supply of first chamber and second chamber mutually not
It influences.
The additional aspect and advantage of embodiment of the present invention will be set forth in part in the description, partially will be from following
Become obvious in description, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect and advantage of the invention is from combining in description of the following accompanying drawings to embodiment by change
It obtains obviously and is readily appreciated that, in which:
Fig. 1 is the stereoscopic schematic diagram of the air distribution structure of embodiment of the present invention.
Fig. 2 is the side schematic view of the air distribution structure of embodiment of the present invention.
Fig. 3 is the schematic cross-section of the air distribution structure of embodiment of the present invention.
Fig. 4 is the stereoscopic schematic diagram of the first cavity of embodiment of the present invention.
Fig. 5 is the stereoscopic schematic diagram of the second cavity of embodiment of the present invention.
Fig. 6 is another stereoscopic schematic diagram of the second cavity of embodiment of the present invention.
Fig. 7 is the schematic cross-section of the second cavity of embodiment of the present invention.
Fig. 8 is the schematic cross-section of the burner of embodiment of the present invention.
Fig. 9 is the perspective exploded view of the burner of embodiment of the present invention.
Specific embodiment
Embodiments of the present invention are described below in detail, the example of the embodiment is shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and for explaining only the invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of
The description present invention and simplified description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with spy
Fixed orientation construction and operation, therefore be not considered as limiting the invention.In addition, term " first ", " second " are only used for
Purpose is described, relative importance is not understood to indicate or imply or implicitly indicates the quantity of indicated technical characteristic.
" first " is defined as a result, the feature of " second " can explicitly or implicitly include one or more feature.?
In description of the invention, the meaning of " plurality " is two or more, unless otherwise specifically defined.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected or can mutually communicate；It can be directly connected, it can also be by between intermediary
It connects connected, can be the connection inside two elements or the interaction relationship of two elements.For the ordinary skill of this field
For personnel, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the description of the present invention unless specifically defined or limited otherwise, fisrt feature second feature "upper" or
"lower" may include that the first and second features directly contact, also may include the first and second features be not direct contact but
Pass through the other characterisation contact between them.Moreover, fisrt feature includes above the second feature " above ", " above " and " above "
Fisrt feature is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.First
Feature is directly below and diagonally below the second feature including fisrt feature under the second feature " below ", " below " and " below ", or only
Only indicate that first feature horizontal height is less than second feature.
Following disclosure provides many different embodiments or example is used to realize different structure of the invention.In order to
Simplify disclosure of the invention, hereinafter the component of specific examples and setting are described.Certainly, they are merely examples, and
And it is not intended to limit the present invention.In addition, the present invention can in different examples repeat reference numerals and/or reference letter,
This repetition is for purposes of simplicity and clarity, itself not indicate between discussed various embodiments and/or setting
Relationship.In addition, the present invention provides various specific techniques and material example, but those of ordinary skill in the art can be with
Recognize the application of other techniques and/or the use of other materials.
Please refer to Fig. 1, Fig. 3 and Fig. 4, a kind of air distribution structure 100 that embodiment of the present invention provides, including the first cavity 10
With the second cavity 20.
First cavity 10 offers first chamber 12.The bottom surface of first cavity 10 is arranged at intervals with the first gas-guide tube 14 and
Two gas-guide tubes 16.First gas-guide tube 14 is connected to first chamber 12.First gas-guide tube 14 forms first in the bottom surface of first chamber 12
Opening 142.Second gas-guide tube 16 forms the second opening 162 with 142 interval of the first opening in the bottom surface of first chamber 12.
Second cavity 20 is arranged in first chamber 12.Second cavity 20 offers second chamber 22.Second chamber 22
Bottom surface offers the air inlet 24 communicated with second chamber 22.Air inlet 24 is connected to the second opening 162.
The cavity bottom surface 23 of second cavity 20, which is spaced the top for being covered on the first opening 142 and is provided with, separates the first opening
142 and second opening 162 retaining wall 30.
In air distribution structure 100 in embodiment of the present invention, the gas being emitted by the first gas-guide tube 14 is by the first cavity 10
Bottom surface be distributed to each position of first chamber 12 after diffuse up.In this way, making the first cavity 10 relatively evenly to first
Each position of chamber 12 supplies, and guarantees that the first cavity 10 is formed by even flame.Meanwhile retaining wall 30 can make first chamber 12
It is mutually independent of each other with the gas supply of second chamber 22.
Further, in some embodiments, air distribution structure 100 is also able to achieve red blue combined burning flame.
Specifically, referring to Fig. 9, the first chamber 12 in embodiment of the present invention is equivalent to the middle ring combustion of burner 200
Gas chamber, second chamber 22 are equivalent to the inner ring combustion gas chamber of burner 200.The fire cover being arranged in second chamber 22 is porous
Ceramic wafer 2047.
In this way, combustion gas is burnt on porous ceramic plate 2047, porous ceramic plate 2047 is made to redden, realizes that infrared ray is cooked.
Gas burns to form the middle ring flame of blue at the fire cover in first chamber 12, to dexterously realize red blue combined burning fire
Flame improves combustibility and heating efficiency.
Specifically, in embodiment of the present invention, the first cavity 10 and the second cavity 20 are substantially cylindrical.
In this way, structure is simple, it is easily fabricated.Meanwhile it more being flowed when entering first chamber 12 and second chamber 22 convenient for gas
Freely, guarantee the flow velocity of gas, to guarantee the stability that combustion gas is burnt at the fire cover in first chamber 12 and second chamber 22.
In one example, the first cavity 10 and the second cavity 20 can be used copper at.
In this way, 20 energy high temperature resistant of the first cavity 10 and the second cavity, extends the service life of air distribution structure 100.Meanwhile making
It obtains the first cavity 10 and the second cavity 20 is easy to casting and forming, form the first the 142, second opening of opening 162 and air inlet 24 etc.
Structure, realization preferably divide gas to act on.
In embodiments of the present invention, retaining wall 30 protrudes in a ring and to the direction far from the second cavity 20, air inlet 24
Through retaining wall 30.
In this way, increasing the length of air inlet 24, more gases are collected into second chamber 22, are protected
Demonstrate,prove the air demand of second chamber 22.
Certainly, the distance of the prominent cavity bottom surface 23 of retaining wall 30 can be adjusted so that the second chamber with the size of second chamber 22
The air demand and gas velocity of room 22 more optimize.
In some embodiments, the first gas-guide tube 14 and the second gas-guide tube 16 can be Venturi tube.
In some embodiments, fluted 122 are opened up on the bottom surface of first chamber 12, groove 122 is around the second opening
162, groove 122 and retaining wall 30 are cooperatively connected to separate the first opening 142 and the second opening 162.
In this way, being completely embedded between the second cavity 20 and the first cavity 10, the first opening 142 and the second opening 162 are complete
Full partition, air distribution structure 100 divide gas performance to be increased dramatically, when avoiding air distribution structure 100 and using in the high temperature environment
Between it is longer after, deformation occurs causes connection not close to influence the case where dividing gas performance for the first cavity 10 and the second cavity 20.
Specifically, retaining wall 30 is inserted into groove 122.
In this way, when air distribution structure 100 works in the high temperature environment, 30 expanded by heating of retaining wall, so that retaining wall 30 and groove 122
Combination it is even closer, can preferably prevent gas from circulating between first chamber 12 and second chamber 22, ensure that point
The gas separation effect of depressed structure 100.
Referring to Figure 2 together, in some embodiments, it is installed on burner 200 for convenience of air distribution structure 100, the
It is provided with positioning region 18 on the outer wall of one cavity 10, for installing air distribution structure 100.Positioning region 18 includes guidance part 182 and holds
Relying part 184, guidance part 182 connect bearing and leaning portion 184, and guidance part 182 is used to guide the installation of air distribution structure 100, and guidance part 182 is convex
The outer wall of first cavity 10 out, and the height of guidance part 182 gradually increases from bottom to top.
In embodiments of the present invention, every side of the opposite two sides of the first cavity 10 is both provided with two positioning regions at interval
18.In this way, the installation of air distribution structure 100 is relatively firm, displacement of the air distribution structure 100 in burner 200 is avoided.
In some embodiments, the hole wall of air inlet 24 includes guide face 242, is provided with shielding plate in air inlet 24
244, shielding plate 244 and 242 relative spacing of guide face are arranged and are collectively formed with guide face 242 for guiding gas into second
The flow-guiding channel 246 of chamber 22.
In this way, gas enters second chamber 22 along flow-guiding channel 246, the gas that gas enters second chamber 22 is substantially increased
Flow velocity degree and fluency, so that burning of the gas outside air distribution structure 100 is more stable.
Specifically, air distribution structure 100 forms gas in use, the mixed gas that combustion gas and air are formed sprays to shielding plate 244
The directional steering flow-guiding channel 246 of mixed gas, mixed gas are entered second chamber through flow-guiding channel 246 by stream, shielding plate 244
In 22.
Fig. 5-Fig. 7 is please referred to, in some embodiments, flow-guiding channel 246 is in flaring along the airintake direction of air inlet 24
Shape.
In this way, facilitating gas more moves smoothly through the second chamber 22 that flow-guiding channel 246 enters air distribution structure 100, together
When also increase the flow velocity of gas.
In some embodiments, guide face 242 is arc-shaped, and shielding plate 244 includes top surface 2442, bottom surface 2444 and connection
Face 2446, top surface 2442 and bottom surface 2444 are plane, and joint face 2446 connects top surface 2442 and bottom surface 2444, joint face 2446 are in
Arc and with guide face 242 formed flow-guiding channel 246.
In this way, the guide face 242 of arc can be such that gas is subject to when gas enters second chamber 22 along flow-guiding channel 246
Drag reduction, and then reach faster speed.Meanwhile the guide face 242 of arc makes gas flowing more steady, avoids gas
Body forms turbulent flow or turbulent flow after entering in second chamber 22, and the case where influencing fuel gas buring stability occurs.
Specifically, the junction of the bottom surface of guide face 242 and second chamber 22 is smooth curved surface.
In this way, increasing gas enters the fluency in second chamber 22.
Further, guide face 242 may also be configured to inclined-plane.
The smooth purpose into second chamber 22 of combustion gas is assisted in this way, being also able to achieve.
Preferably, the acute angle that the bottom surface of guide face 242 and second chamber 22 is formed is 45 degree when guide face 242 is inclined-plane.
In this way, the speed that gas enters in second chamber 22 can be advanced optimized.
After the joint face 2446 of arc then makes gas impact bottom surface 2444, by directly to the speed for reducing gas is damaged
It loses.Joint face 2446 cooperates guide face 242, forms the smooth flow-guiding channel 246 into second chamber 22 of supplied gas.
Further, the distance between joint face 2446 and guide face 242 are 0.5 centimetre -1.5 in embodiment of the present invention
Centimetre.
In this way, when gas passes through flow-guiding channel 246 after shielding plate 244 turns to dispersion, since airflow channel narrows, gas
It squeezes, flow velocity increases.Meanwhile gas forms negative pressure below flow-guiding channel 246, draws more gases and enters flow-guiding channel
246, further increase the flow velocity of gas.
In some embodiments, cavity bottom surface 23 and top surface 2442 are in same plane.
In this way, gas flowing is steady, rapid after making gas from air inlet 24 into second chamber 22, top surface is avoided the occurrence of
2442 and not in same plane, gas enters after second chamber 22 phenomenon for forming turbulent flow for cavity bottom surface 23, it is further ensured that combustion
Gas sprays after-combustion from second chamber 22 and stablizes.
In some embodiments, same plane refers to same level.
In some embodiments, shielding plate 244 includes the interconnecting piece 2448 connecting with the hole wall of air inlet 24, interconnecting piece
Multiple through-holes 2441 are offered on 2448, through-hole 2441 is connected to air inlet 24 and second chamber 22.
When turning to gas due to shielding plate 244, there is the gas of fraction to be turned into the direction of interconnecting piece 2448, open up logical
This portion gas can be imported into second chamber 22 by hole 2441, avoid gas loss, increase the confession of second chamber 22
Tolerance.
Specifically, in embodiment of the present invention, through-hole 2441 has 4, and is uniformly arranged on interconnecting piece 2448.
In this way, improving the effect of the shunting of through-hole 2441.
Certainly, the number of through-hole 2441 is not limited to the number in embodiment discussed above, and can be according to gas stream
The size of amount and the size of second chamber 22 are adjusted, to reach preferable gas separation effect.
In some embodiments, the second cavity 20 includes fixed part 26, and fixed part 26 connects shielding plate 244 and cavity bottom
Face 23.
Since air distribution structure 100 works under high temperature environment, shielding plate 244 is easy to happen deformation in a high temperauture environment,
Influence the gas separation effect of air distribution structure 100.Fixed part 26 further strengthens shielding plate 244, ensure that the stabilization of shielding plate 244 is set
It sets on the second cavity 20, is not susceptible to deformation, and then reach preferable gas separation effect, improve the reliable of air distribution structure 100
Degree.
Specifically, in embodiment of the present invention, fixed part 26 is in triangular prism shaped.
In this way, the stability due to triangle is stronger, shielding plate 244 preferably can be stably fixed at second by fixed part 26
On cavity 20.
Further, fixed part 26 can be with cylindrical.
In this way, round and smooth 26 surface of fixed part will not have an impact the air-flow for entering second chamber 22, further increase
Stationarity of the air-flow in second chamber 22.
In some embodiments, first opening 142 along the first gas-guide tube 14 to the direction of first chamber 12 in flaring
Shape, the second opening 162 is along the second gas-guide tube 16 to the direction of first chamber 12 in the shape of flaring.
Enter first chamber 12 and by the second gas-guide tube in this way, facilitating gas and more moving smoothly through the first gas-guide tube 14
16 enter second chamber 22, while also increasing the flow velocity of gas, promote gas and are being arranged in the first cavity 10 and the second chamber
The stability burnt at fire cover on body 20.
In some embodiments, the second cavity 20 is removably mounted in first chamber 12.
First cavity 10 and the second cavity 20 are cleaned in this way, being easy to disassemble the second cavity 20, keep dividing
The cleaning of depressed structure 100.
In some embodiments, the second cavity 20 is except through the groove 122 on 12 bottom surface of retaining wall 30 and first chamber
Cooperation is to be mounted in the first cavity 10, moreover it is possible to by the way that locating piece 28 is arranged on the second cavity 20, at the bottom of first chamber 12
Location hole is opened up on face, and first cavity 10 is installed in the second cavity 20 by the cooperation of locating piece 28 and location hole 11.
In this way, the first cavity 10 can be stably mounted in the second cavity 20.Between first cavity 10 and the second cavity 20 not
Easily occur it is opposite slide, so that guarantee air distribution structure 100 divides gas performance.Meanwhile being also convenient for the peace installation and dismantling of the second cavity 20
It unloads.
Specifically, locating piece 28 has 4, and four be rectangle vertex is distributed on cavity bottom surface 23.
In some embodiments, stair-stepping mounting portion 222 is provided on the inner wall of second chamber 22.Mounting portion 222
For installing fire cover.
It is not in left and right and downward displacement in this way, fire cover can be relatively stably installed in air distribution structure 100, so as to
Combustion gas in air distribution structure 100 forms stable flame at fire cover.Stair-stepping mounting portion 222 can also prevent point depressed simultaneously
Gap leakage of the combustion gas between mounting portion 222 and the second cavity 20 in structure 100, influences heating effect.
In embodiments of the present invention, it is provided with the portion of bearing 21 on the side wall of the second cavity 20, bears portion 21 for pacifying
Place air distribution structure 100 when filling air distribution structure 100 more stable.
In some embodiments, first chamber 12 includes chamber wall 124, the going out along gas of top 126 of chamber wall 124
Gas direction is in the shape of flaring.
In this way, facilitate gas more swimmingly enters the fire cover being arranged in first chamber 12 from first chamber 12, simultaneously
The flow velocity of gas is also increased, the stability that gas burns at the fire cover being arranged on the first cavity 10 is promoted.
Specifically, the top 126 of chamber wall 124 is in inclined-plane along the outgassing direction of gas.
Preferably, the acute angle that the top 126 of chamber wall 124 and horizontal direction are formed is 45 degree.
In this way, the smoothness that gas enters the fire cover being arranged in first chamber 12 from first chamber 12 can be advanced optimized
And speed.
Please refer to Fig. 8 and Fig. 9, a kind of burner 200 of embodiment of the present invention, point including any embodiment as above
Depressed structure 100.
In burner 200 in embodiment of the present invention, the gas being emitted by the first gas-guide tube 14 is by the first cavity 10
Bottom surface diffuses up after being distributed to each position of first chamber 12.In this way, making the first cavity 10 relatively evenly to the first chamber
Each position of room 12 supplies, and guarantees that the first cavity 10 is formed by even flame.Meanwhile retaining wall 30 can make 12 He of first chamber
The gas supply of second chamber 22 is mutually independent of each other.
Specifically, in some embodiments, when air distribution structure 100 is applied to burner 200, air distribution structure 100 can
Air distribution structure 100 as 200 middle ring of burner and inner ring.Porous ceramic plate 2047 can be placed in second chamber 22, from dividing gas
The combustion gas that structure 100 is sprayed outward is burnt at porous ceramic plate 2047, heated porous ceramic wafer 2047, is formed infrared ray and is boiled
Food realizes minimum fire, the charcoal fire functions such as stewed slowly.
The burner 200 of embodiment of the present invention further includes pedestal 202 and top air inlet structure 204.
It is formed in pedestal 202 2022 between gas inlet, 202 bottom of pedestal is provided with gas inlet channel 2026, pedestal
Liquid dish 2024 is provided on 202, pedestal 202 and the setting of the interval of liquid dish 2024 form the first air and supplement channel 206.It is enterprising
The second air supplement channel 208 is offered in wind structure 204.Third gas-guide tube there are two being also set up on top air inlet structure 204
2042.Third gas-guide tube 2042 protrudes into 2022 between gas inlet.
Combustion gas chamber is provided on top air inlet structure 204.In embodiments of the present invention, the combustion on top air inlet structure 204
Gas chamber is equivalent to outer ring combustion gas chamber 2044.External ring fire cover 2046 is installed on outer ring combustion gas chamber 2044.Air distribution structure 100
In first chamber 12 be equivalent to middle ring combustion gas chamber, the first gas-guide tube 14 and the second gas-guide tube 16 protrude between gas inlet
2022, middle ring fire cover 2043 is installed in first chamber 12.Second chamber 22 in first chamber 12 is equivalent to inner ring gas chamber
Room.Porous ceramic plate 2047 is installed in second chamber 22.
When the burner 200 of embodiment of the present invention works, combustion gas is inputted from gas inlet channel 2026, is existed by setting
Nozzle 2028 on gas inlet channel 2026 sprays into 2022 between gas inlet, the combustion gas of penetrating 2022 generation between gas inlet
Negative pressure is to suck primary air A from the first air supplement channel 206, as shown in figure 8, primary air and combustion gas are between gas inlet
2022 premixs form mixed gas and jointly by top air inlet structures 204.A part of mixed gas is through third gas-guide tube 2042
It is guided into outer ring combustion gas chamber 2044, as shown in A1, injection, burning form outer ring fire outward through external ring fire cover 2046.
Another part mixed gas (as shown in route A2 in Fig. 8) of combustion gas and air in 2022 between gas inlet passes through
The guiding of first gas-guide tube 14 and the second gas-guide tube 16 respectively enters first chamber 12 and second chamber 22, and first chamber 12 is mixed
It closes ring fire cover 2043 in gas warp to spray outward, ring fire in being formed of burning.Into the flowing side of the mixed gas of first chamber 12
To can join shown in dotted line A21.
Mixed gas in second chamber 22 is sprayed outward through porous ceramic plate 2047, and burning forms the inner ring of infrared ray
Fire.It can join shown in dotted line A22 into the flow direction of the mixed gas of second chamber 22.
Second air supplement channel 208 can supplement when fuel gas buring at centering ring fire cover 2043 and porous ceramic plate 2047
Auxiliary air, and/or to the fuel gas buring of the inside of external ring fire cover 2046 when, supplement auxiliary air, and auxiliary air is mended through the second air
It fills channel 208 to enter 200 inside of burner and flow up, and then realizes supplement auxiliary air.Auxiliary air enters burner
The flow direction of 200 gas is as shown in dotted line B with the arrow in figure.
In this way, burner 200 divides gas by third gas-guide tube 2042, the first gas-guide tube 14 and the second gas-guide tube 16, realize
The burners 200 of three ring fires, improves the heating efficiency of burner 200.
In the description of this specification, reference term " embodiment ", " certain embodiments ", " schematically implementation
What the description of mode ", " example ", " specific example " or " some examples " etc. meant to describe in conjunction with the embodiment or example
Particular features, structures, materials, or characteristics are contained at least one embodiment or example of the invention.In this specification
In, schematic expression of the above terms are not necessarily referring to identical embodiment or example.Moreover, the specific spy of description
Sign, structure, material or feature can be combined in any suitable manner in any one or more embodiments or example.
While embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that:
These embodiments can be carried out with a variety of variations, modification, replacement in the case where not departing from the principle of the present invention and objective and become
Type, the scope of the present invention are defined by the claims and their equivalents.
Claims (9)
1. a kind of air distribution structure, it to be used for burner, which is characterized in that the air distribution structure includes:
First cavity, first cavity offer first chamber, and the bottom surface of first cavity is arranged at intervals with the first air guide
Pipe and the second gas-guide tube, first gas-guide tube are connected to the first chamber, and first gas-guide tube is in the first chamber
Bottom surface forms the first opening, and second gas-guide tube forms the with first open space in the bottom surface of the first chamber
Two openings；
The second cavity in the first chamber is set, and second cavity offers second chamber, the second chamber
Bottom surface offers the air inlet communicated with the second chamber, the air inlet and second open communication；
The top and being provided with that the bottom surface interval of second cavity is covered on first opening separate first opening with
The retaining wall of second opening；
Open up fluted on the bottom surface of the first chamber, the groove is around second opening, the groove and the gear
Wall is cooperatively connected to separate first opening and second opening.
2. air distribution structure as described in claim 1, which is characterized in that the hole wall of the air inlet includes guide face, it is described into
Shielding plate is provided in stomata, the shielding plate and the guide face relative spacing are arranged and use are collectively formed with the guide face
Enter the flow-guiding channel of the second chamber in guiding gas.
3. air distribution structure as claimed in claim 2, which is characterized in that the guide face is arc-shaped, and the shielding plate includes top
Face, bottom surface and joint face, the top surface and the bottom surface are plane, and the joint face connects the top surface and the bottom surface, institute
It is arc-shaped and form the flow-guiding channel with the guide face to state joint face.
4. air distribution structure as claimed in claim 2, which is characterized in that the shielding plate includes connecting with the hole wall of the air inlet
The interconnecting piece connect, multiple through-holes are offered on the interconnecting piece, and the through-hole is connected to the air inlet and the second chamber.
5. air distribution structure as claimed in claim 2, which is characterized in that second cavity includes fixed part, the fixed part
Connect the bottom surface of the shielding plate and the second chamber.
6. air distribution structure as described in claim 1, which is characterized in that first opening is along first gas-guide tube to described
The direction of first chamber is in the shape of flaring, and second opening is in the direction of the first chamber along second gas-guide tube
The shape of flaring.
7. air distribution structure as described in claim 1, which is characterized in that second cavity is removably mounted on described first
In chamber.
8. air distribution structure as described in claim 1, which is characterized in that the first chamber includes chamber wall, the chamber wall
Top along gas outgassing direction be in flaring shape.
9. a kind of burner, which is characterized in that including such as described in any item air distribution structures of claim 1-8.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710153994.4A CN106949474B (en) | 2017-03-15 | 2017-03-15 | Air distribution structure and burner |
| PCT/CN2017/085215 WO2018166064A1 (en) | 2017-03-15 | 2017-05-19 | Gas distribution structure and burner |
| PCT/CN2017/085217 WO2018166065A1 (en) | 2017-03-15 | 2017-05-19 | Gas distribution structure, burner and gas hob |
| PCT/CN2017/085218 WO2018166066A1 (en) | 2017-03-15 | 2017-05-19 | Burner and gas hob |
| PCT/CN2017/085219 WO2018166067A1 (en) | 2017-03-15 | 2017-05-19 | Burner and gas hob |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710153994.4A CN106949474B (en) | 2017-03-15 | 2017-03-15 | Air distribution structure and burner |
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| Publication Number | Publication Date |
|---|---|
| CN106949474A CN106949474A (en) | 2017-07-14 |
| CN106949474B true CN106949474B (en) | 2019-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710153994.4A Active CN106949474B (en) | 2017-03-15 | 2017-03-15 | Air distribution structure and burner |
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| Country | Link |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115161617B (en) * | 2022-09-08 | 2023-01-13 | 拓荆科技(上海)有限公司 | Gas distribution structure and vapor deposition equipment |
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| CN2053721U (en) * | 1989-03-20 | 1990-02-28 | 嘉兴不锈钢器械设备厂 | Burner for gas cooker |
| CN202660607U (en) * | 2012-04-27 | 2013-01-09 | 广东神州燃气用具有限公司 | Tri-circle fire clean-keeping furnace end |
| CN203857459U (en) * | 2014-04-04 | 2014-10-01 | 陈国泉 | Upper-admission high-power combustor |
| CN104913304A (en) * | 2015-06-26 | 2015-09-16 | 广东美的厨房电器制造有限公司 | Burner and gas stove having same |
| CN106224956A (en) * | 2016-07-28 | 2016-12-14 | 广东美的厨房电器制造有限公司 | Burner and gas kitchen ranges |
| CN106482107A (en) * | 2015-08-27 | 2017-03-08 | 华帝股份有限公司 | Three-ring fire distributor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110086318A1 (en) * | 2009-10-09 | 2011-04-14 | American Wyott Corporation | Method and apparatus for maintaining stable flame conditions in a gas burner |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2053721U (en) * | 1989-03-20 | 1990-02-28 | 嘉兴不锈钢器械设备厂 | Burner for gas cooker |
| CN202660607U (en) * | 2012-04-27 | 2013-01-09 | 广东神州燃气用具有限公司 | Tri-circle fire clean-keeping furnace end |
| CN203857459U (en) * | 2014-04-04 | 2014-10-01 | 陈国泉 | Upper-admission high-power combustor |
| CN104913304A (en) * | 2015-06-26 | 2015-09-16 | 广东美的厨房电器制造有限公司 | Burner and gas stove having same |
| CN106482107A (en) * | 2015-08-27 | 2017-03-08 | 华帝股份有限公司 | Three-ring fire distributor |
| CN106224956A (en) * | 2016-07-28 | 2016-12-14 | 广东美的厨房电器制造有限公司 | Burner and gas kitchen ranges |
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| CN106949474A (en) | 2017-07-14 |
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Effective date of registration: 20221214 Address after: 241000 west side of 3 / F, No.5 office building, new energy and new materials gathering area, Fuzhou Road, Jiangbei District, Wuhu City, Anhui Province Patentee after: Wuhu Midea intelligent kitchen electricity Manufacturing Co.,Ltd. Address before: 528311 Yongan Road, Beijiao Town, Shunde District, Foshan, Guangdong 6 Patentee before: GUANGDONG MIDEA KITCHEN APPLIANCES MANUFACTURING Co.,Ltd. Patentee before: MIDEA GROUP Co.,Ltd. |